Newborns cannot blow their noses, and they are not great at breathing through their mouths either—so even a little mucus can sound dramatic. Pediatrician Cindy Gellner, MD, shares what is normal when ...

Sloane Atkinson is awaiting a donor heart. Doctors dismissed a newborn’s “grunting” as normal sounds — but six weeks later, the baby was intubated in the PICU, and is now awaiting a heart transplant.